Discharge brick for casting ladles, intermediate containers and the like



March 26, `1968 H. HA'sE ETAL 3,374,930

DISCHARGE BRICK FOR CAsTINC LADLEs, INTERMEDIATE CONTAINERS AND THE LIKEFiled Dec. 3. 1965 2 Sheets-Sheet l 5 8 l0 Y. 9 Arromunysv 3,374,930INTERMEDIATE 2 Sheets-Sheet 2 ATTORNEYS March 26, 1968 H. HAsE ETALDISCHARGE BRICK FOR CASTING LADLES CONTAINERS AND THE LIKE Filed Deo.

FIG. e

United States Patent C) 3,374,930 DISCHARGE BRICK FOR CASTING LADLES,IN- TERMEDIATE CONTAINERS AND THE LIKE Horst Hase, Wiesbaden, andHans-Joachim Winkler, Krefeld-Urdingen, Germany, assignors to Stoecker &Kunz GmbH, Krefeld-Linn-Rheinhafen, Germany Filed Dec. 3,4 1965, Ser.No. 511,497 Claims priority, application Germany, Dec. 5, 1964,.

t 23,040 7 Claims. (cl. zzz-566) ABSTRACT OF THE DISCLOSURE A dischargespout brick for 4a pouring container of casting ladles and the likewherein the body of such brick This invention relates to a dischargebrick for casting ladles, intermediate .containers and the like.

Known discharge bricks through which molten metal flows out of acontainer usually have a vertic-al or nearly vertically extendingpenetrating passage, the cross section of which may have d'iierentforms.

Vertical or nearly vertical passages which penetrate rthe dischargebricks cause their inlet eddy-like turbulences in the medium which isllowing through. These turbulences in the owing medium change more orless s-trongly during the ilowing of the same through the passage andlead to the known but undesirable dissociation or disintegration of thepouring stream leaving through the discharge brick and do not permit acompact pouring stream. To the flowing medium therefore, besides thevertically flowing components, a tangentially effective for-ce is addedwhich has the tendency to twist apart the leaving pouring stream.

Attempts have been made to counteract this action by specialconstructions of the .cross section of the pas-sage in the dischargebrick and forms of passages are known which tend to obtain .a lamina-rpouring stream. In all of these passage constructions the addition ofthe medium is accomplished from the top and there-fore the eddy-liketurbulence occurs in the flowing medium at the beginning,

which then by the special construction of the passage cross section isin-tended to be weakened so th-at a somewhat closed and thereby usableflowing stream can be obtained.

An object of the present invention is to provide a discharge brickhaving ya substantially vertical passage closed at the top towards ltheinterior space of the pouring container, with one or severalsubstantially horizontally extending inlets from the passage to thedischarge brick side walls.

A further object of the invention is to elimin-ate the circular eddiesor turbulences which occur in the owing medium, since lbecause of thelateral inow of the medium the laminar flow of the sarne is maintained,while a tangentially acting force Causing the turbulences cannot arise.The result of this is that a closed and steady pouring stream leaves atthe lower end of the passage through the discharge brick.

The arrangement of the inlet or inlets into the discharge .ICC

brick may be accomplished .in different ways. The inlets may be arrangedin a plane extending radially from the passage and distributed aroundthe same evenly or unevenly. Also, the inlets may be arranged offsetfrom one Vanother in height along the passage. The inlets also mayextend slightly inclined towards the top or the bottom towards Ithecentral longitudinal axis of the passage. The inlets may have .anydesired form of cross section. The passage may be extended beyond themouth of the uppermost inlet. The passage also may be given any form ofcross section, for instance circular, oval, cross shaped, or the like.Also, the passage may extend at a minor angle towards the perpendicularline.

An object of the invention therefore is to provide a construction inwhich the above mentioned special arrangements of the passage and/or theinlets in detail or in combination promote the form of a closed pouringstream.

The form of discharge brick according to the present invention can beused directly in cases in which no regulation of the pouring stream hasto be obtained, for instance in continuous casting operations. If, on4the contrary, a regulation of the pouring stream is necessary, a slidelock may be arranged at the outliow end of the discharge brick.

With the above and other objects in view which will become apparent from.the detailed description below, some preferred forms of the invention4are shown in the drawings in which:

FIGURE 1 is a longitudinal cross section of adischarge brick inserted inthe bottom of a casting ladle;

FIGURE 2 is .a cross section along line 2 2 of FIG- URE 1;

FIGURE 3 is a longitudinal section through a discharge brick placed inthe bottom of a cas-ting ladle with inlets offset in height .and a lowerslide lock;

FIGURE 4 is a cross section along line 4-4 of FIG- URE 3;

FIGURE 5 is a longitudinal section through a discharge brick placed inthe bottom of a casting ladle with inlets extending inclined towards thecentral longitudinal axis of the passage and a cross shaped passage;

FIGURE 6 is .a cross :section along line 6-'6 of F-IG- URE 5.

In the various views similar reference characters indicate like parts.

The disch-arge brick 1 extends into the interior space of the castinglad-le and is placed in ra cut away brick 2. The brick 2 is a componentpart of .the bottom bricks 4 located on the bottom sheet 3 of thecasting ladle and is arranged above the hole 5 in the bottom sheet 3.The Vertical passage 6 is provided in the form of a bore into thedischarge brick 1. Inlets 7 extend from the passage 6 to the side wallsof the discharge brick.

A slide lock 8 is shown in FIGURE 3 which consists of a slide face 9 anda slidable slide plate 10.

In FIGURES 3 and 4 a modification is shown wherein the discharge brick10 extends entirely through the brick 20 and the bottom surface thereofrests upon the slide surface 9 of the valve. In this form the centralvertical passage 16 is provided with the inlets 17 which are offset fromone another in height. Also the inlets 17 are equidistantly spacedaround the circumference of the discharge brick 1 instead ofdiametrically opposite one another as shown in FIGURES 1 and 2.

-In FIGURES 5 and 6 a further modification is shown wherein thedischarge brick 31 is set within the brick 2 as in FIGURE 1 but thevertical passage 26 has a crossshaped cross-section'as shownparticularly in FIGURE 6. Also the vertical passage 26 extends above theinlets 27 and the inlets are inclined to the vertical axis as shown.

3 This form of the invention also may be provided with a slide lock 8 asshown in FIGURE 3.

It is thought that the invention and its advantages will be understoodfrom the foregoing description and it is apparent that various changesmay be made in the form, construction and arrangement of the partswithout departing from the spirit and scope of the invention orsacricing its material advantages, the forms hereinbefore described andillustrated in the drawings being merely preferred embodiments thereof.

We claim:

1. A discharge spout brick for a pouring container of casting ladles,intermediate receptacles and the like cornprising a body fixedstationarily in the bottom of said container, a substantially verticalpassage in said body closed at the top towards the interior of saidpouring container` and a plurality of substantially horizontal inletconduits staggered vertically extending from said passage to theexterior of a side wall of said body opening to the interior of saidcontainer.

2. A spout brick as claimed in claim 1 wherein said passage extendsvertically beyond the opening of the uppermost inlet conduit in saidpassage.

3. A spout brick as claimed in claim 1 wherein the 4 openings of saidconduits to said passage are distributed regularly around the same.

4. A spout brick as claimed in claim 1 wherein the cross section of saidpassage has a geometrical form.

5. A spout brick as claimedrin claim 1 wherein the cross section of saidpassage has a cross-shaped form.

6. A discharge spout brick according to claim 1 wherein said inletconduits extend slightly inclined towards the central longitudinal axis'of said passage.

7. A spout brick as claimed in claim 1 wherein the outlet end of saidpassage is provided with a slide shutter.

References Cited UNITED STATES PATENTS 454,918 6/1891 Platt 222-561506,328 10/1893 Morris 222-561 X 1,346,077 7/1920 Carter 222-566 X1,406,746 2/ 1922 McCullough 222-566 1,488,229 3/1924- Burns 222-5612,230,514 2/1941 Pernetzrieder Z22-566 X 2,826,793 3/1958 Flickinger etal. 222-566 SAMUEL F. COLEMAN, Primary Examiner.

